FLEECE FPE-AN971-08DRD -8AN ALUMINUM MALE WELD BUNG 1/2 INCH REGISTER 3/4 INCH OD

Fabricate like a pro with the FLEECE FPE-AN971-08DRD -8AN ALUMINUM MALE WELD BUNG (1/2" register, 3/4" OD). This precision-machined bung delivers a clean, repeatable seal for custom fuel, oil, and coolant plumbing—perfect for sumps, tanks, intercooler piping, and catch cans. Fleece -8AN weld bung, aluminum weld-on AN fitting, universal fuel oil coolant plumbing, CPP Diesel Fleece fittings, fabrication components

Why it wins

• Precision -8AN male interface for reliable, serviceable connections
• Lightweight aluminum for easy welding and corrosion resistance
• Sized right: 1/2" register seats true; 3/4" OD gives ideal weld land
• Built by Fleece Performance Engineering for proven durability

Fitment / Use

Type: Universal fabrication component (not vehicle-specific)
Fluids: Fuel, oil, coolant, breather/PCV (as engineered)
Typical locations: Fuel cells/tanks, catch cans, intercooler/charge pipes, coolant tanks, valve covers

Cross-Reference / Related Fleece Items (CPP Diesel)

• FLEECE FPE-AN971-10DRD — -10AN Aluminum Weld Bung
• FLEECE FPE-APT-34-08 — -8 to 3/4"-16 Straight Male w/ O-Ring
• FLEECE FPE-NPT-18-ORING — 1/8" NPT O-Ring Plug

It’s the machined step that helps the bung sit square in the hole before welding, ensuring a centered, repeatable fit.

Yes—aluminum -8AN bungs are commonly welded to tanks and tubes for fuel or oil lines when paired with compatible AN fittings and hose.

AN flare connections seal at the 37° flare. Use proper AN fittings; thread sealant is typically not used on AN flares.

Yes. See the Specifications table below for details.

Specifications for FLEECE FPE-AN971-08DRD